ELLSWORTH AIR FORCE BASE, S.D. -- Private Jose Benavides, Army National Guard, 704th Chemical Company chemical biological radiological and nuclear specialist, is briefing soldiers on the decontamination simulation during the 2010 Golden Coyote exercise at Camp Lancer, Ellsworth Air Force Base, S.D., June 18. The soldiers are manning a station where simulated casualties in-processed into the tent. (U.S. Air Force photo/Airman 1st Class Jarad Denton)